HOME ADDITIONS
IN JACKSONVILLE, FL
Find More Space to Breathe
Jack Lee Construction helps homeowners in Jacksonville, FL and the surrounding area add the space, comfort, and value they need with custom home additions designed to fit your lifestyle and budget. From design to permits to the final finishes, we handle everything so you can enjoy a seamless, stress-free building experience.

Home Additions Contractor in Jacksonville, FL
Add More Space Without Leaving the Home You Love
Jack Lee Construction helps homeowners in Jacksonville and Northeast Florida build home additions that add space, improve function, and make the home more useful for everyday life.
Whether your family is growing, your layout feels too small, or you need more room for guests, work, storage, or outdoor living, our team can help you plan and build the right addition.
Call
(904) 783-9039 to request a free home addition estimate in Jacksonville, FL.
Home Addition Services in Jacksonville and Northeast Florida
If your home no longer has the space you need, moving is not your only option. A well-planned home addition can give you more room while allowing you to stay in the neighborhood you already know.
Jack Lee Construction works with homeowners who need practical space added to their home. We help with design planning, layout, materials, permitting, construction, and final details. Our goal is to make the addition feel like it belongs with the original home, not like something added without a plan.
We serve Jacksonville, Orange Park, Green Cove Springs, St. Johns County, Jacksonville Beach, Baker County, Clay County, Duval County, Nassau County, and nearby Northeast Florida communities.


Types of Home Additions We Build
Every home addition should start with one question. What problem are you trying to solve?
Some homeowners need another bedroom. Some need a larger living area. Some need a bathroom addition, home office, garage, porch, or sunroom. The right addition depends on your home, your property, your budget, and how you plan to use the space.
Jack Lee Construction can help with:
- Bedroom additions
- Bathroom additions
- Family room additions
- Porch additions
- Sunroom additions
- Garage additions
- Home office additions
- In-law suite additions
- Room expansions
- Outdoor living additions
Bedroom
Additions
A bedroom addition can help growing families, homeowners with frequent guests, or families caring for aging parents. We help plan bedroom additions that fit the existing home layout, provide proper access, and feel connected to the rest of the house.
A bedroom addition may also include closet space, windows, lighting, flooring, and nearby bathroom access depending on the scope of the project.


Bathroom
Additions
A bathroom addition can make a major difference in daily life. If your home has too few bathrooms, mornings become frustrating fast. A new bathroom can improve comfort, privacy, and long-term home value.
Jack Lee Construction can help with bathroom additions connected to bedrooms, guest areas, main living spaces, garages, or new home additions. We help review layout, plumbing access, ventilation, lighting, flooring, showers, tubs, vanities, and fixture placement.
Porch
Additions
A porch addition can improve curb appeal and give your family more usable outdoor space. Front porches can change the look of the home. Rear porches can create a better place for relaxing, entertaining, or enjoying the yard.
We help homeowners plan porch additions that match the home’s exterior, roofline, and overall style. A porch should look like part of the original design.


Sunroom
Additions
A sunroom can give you more living space while keeping you protected from insects, rain, and direct sun. In Northeast Florida, a sunroom can be used for relaxing, hobbies, family time, or entertaining.
Jack Lee Construction can help design a sunroom that fits the home and property. Depending on the design, the space may include windows, screens, lighting, flooring, and heating or cooling options.
Family Room
Additions
A family room addition can make the home feel more open and comfortable. This is a good option when the existing living room is too small, the layout feels closed off, or the family needs more gathering space.
We help plan family room additions with attention to flow, natural light, flooring, access points, and how the new space connects to the kitchen, patio, or existing living areas.


Garage
Additions
A garage addition can provide parking, storage, workspace, or hobby space. For many homeowners, a garage is more than a place for vehicles. It can support tools, equipment, seasonal storage, and everyday organization.
Jack Lee Construction can help plan a garage addition that fits the property and works with the existing home design.
Home Office
Additions
More homeowners need dedicated work space. A home office addition can give you privacy, storage, lighting, and separation from the main living areas.
A good home office addition should be quiet, comfortable, and designed for real daily use.

Why Build a Home Addition?
A home addition can solve several problems without forcing you to move.
Homeowners often build additions to:
- Add more living space
- Create another bedroom
- Add a bathroom
- Build a home office
- Create guest or in-law space
- Add a sunroom or porch
- Improve daily function
- Increase home value
- Stay in the same neighborhood
- Avoid buying a larger home
The best additions improve the home without making it feel patched together. That takes planning.
Our Home Addition Process
Jack Lee Construction uses a clear process to help homeowners understand what needs to happen before construction begins.
Project Conversation
We talk through your goals, your space needs, your budget, your timeline, and your location.
Site Review
We review the existing home, available space, access points, roofline, exterior materials, and possible layout options.
Design Planning
We help plan the size, layout, connection points, materials, finishes, and project details.
Estimate and Approval
You receive clear direction on the scope of work before construction begins.
Construction
Our team manages the work with attention to structure, function, appearance, and long-term use.
Final Walkthrough
We review the completed addition with you and make sure the space is ready to use.

Areas We Serve
Jack Lee Construction builds home additions throughout Jacksonville and surrounding Northeast Florida areas, including:
- Jacksonville
- Orange Park
- Green Cove Springs
- St. Johns County
- Jacksonville Beach
- Baker County
- Fleming Island
- Middleburg
- Macclenny
- Clay County
- Duval County
- Nassau County
Why Choose Jack Lee Construction?
Choosing a home addition contractor is a serious decision. The new space must connect properly to the existing home. Poor planning can create layout problems, roofline issues, drainage concerns, and a finished space that does not feel right.
Homeowners choose Jack Lee Construction because we offer:
- Local construction experience since 1968
- Licensed and insured service
- Experience with bedrooms, bathrooms, porches, sunrooms, and room additions
- Help with planning, materials, permits, and construction details
- Clear communication from start to finish
- Personal attention throughout the project
- Workmanship built for long-term use

Request a Free Home Addition Estimate
If you are planning a bedroom addition, bathroom addition, porch, sunroom, family room, garage, home office, or room expansion in Jacksonville or Northeast Florida, Jack Lee Construction is ready to help.
Call
(904) 783-9039 to request a free estimate.





